A firm sells 300,000 units per week. It charges $ 35 per unit, the average variable costs are $40, and the average costs are $55 . At what price does the firm consider shutting-down in the long run?

Which of the following is TRUE regarding the real interest rate?

I. The real interest rate is the opportunity cost of borrowed funds. II. The real interest rate equals the nominal interest rate adjusted for inflation. A) I B) II C) both I and II D) neither I nor II

Suppose the price of banana rises over time and consumers respond by buying fewer bananas. This situation contributes to which bias in the consumer price index?

a. Substitution bias. b. Transportation bias. c. Quality bias. d. Indexing bias.